Regarding your radiating tower idea, wouldn't the radiation need to be in the visible light spectrum in order to avoid the greenhouse effect? Probably better t

Regarding your radiating tower idea, wouldn't the radiation need to be in the visible light spectrum in order to avoid the greenhouse effect? Probably better to just do carbon capture to reset the greenhouse gas thermostat. But that still doesn't refreeze the ice which will require centuries of snowfall to build up the ice sheets again.